Apple Motion 4 - Manual (Page 968)

Sensitivity: Sets the sensitivity of blur detection. The higher the value, the lower the
threshold of movement required to result in motion blur.
Quality: Sets the quality of the blur calculations. A higher value increases the quality of
the resulting blur.
Smoothness: A pop-up menu that sets the smoothness of the blur.
Display: A pop-up menu that sets how the Movement Blur is displayed. Menu choices
are Motion Blur and Optical Flow. Motion Blur shows the blurred image. Optical Flow
shows reference points for how the movement of the image was analyzed to determine
the application of blur.
Grid Size: Sets the size of each panel in the grid overlay used for optical flow analysis.
Grid Scale: Sets the scale of the entire grid used for optical flow analysis.
Mix: Sets what percentage of the original image is blended with the blurred image.
HUD Controls
The HUD contains the following controls: Amount, Sensitivity, Quality, Smoothness, and
Display.
Prism
Blurs and refracts the image as if seen through a prism, creating a rainbow effect.
Original image Prism applied
Parameters in the Inspector
Amount: Sets the radius of the blur.
Angle: Sets the angle of refraction.
Crop: Sets whether or not the object is cropped at its original boundaries.
Mix: Sets what percentage of the original image is blended with the blurred and refracted
image.
HUD Controls
The HUD contains the following controls: Amount and Angle.
968 Chapter 16 Using Filters